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Vulnerabilities

Security research · CVE-2025-8261

A weakness has been identified in Vaelsys VaelsysV4 4.1.0.

Published Jul 28, 2025 · catalog updated Apr 15, 2026 · Vaelsys VaelsysV4

Check this week

CVE-2025-8261 is not in CISA KEV. FIRST estimates a 69.00% chance of exploitation in the next 30 days. Check whether you run Vaelsys VaelsysV4.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Medium6.9
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
69.00%
Remediation
Advisory link
Affected products
vendor Vaelsys VaelsysV4 4.1.0

A weakness has been identified in Vaelsys VaelsysV4 4.1.0. This vulnerability affects unknown code of the file /grid/vgrid_server.php of the component User Creation Handler. Executing a manipulation can lead to improper authorization. The attack may be performed from remote. The exploit has been made available to the public and could be used for attacks. The real existence of this vulnerability is still doubted at the moment. The vendor explains: "Based on Vaelsys' analysis, the reported behavior does not allow actions beyond those already permitted to authenticated administrative users, and n

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor Vaelsys VaelsysV4 4.1.04.1.0

How to fix CVE-2025-8261

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2025-8261 is not in CISA KEV. FIRST estimates a 69.00% chance of exploitation in the next 30 days. Check whether you run Vaelsys VaelsysV4.

Which versions are affected?

Compare what you have installed with Vaelsys VaelsysV4 4.1.0 4.1.0. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 69.00%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Jul 28, 2025 · EUVD

    Detected

    A weakness has been identified in Vaelsys VaelsysV4 4.1.0. This vulnerability affects unknown code of the file /grid/vgrid_server.php of the component User Creation Handler. Executing a manipulation can lead to improper authorization. The attack may be performed from remote. The exploit has been made available to the public and could be used for attacks. The real existence of this vulnerability is

  2. Apr 15, 2026 · EUVD

    Updated

    A weakness has been identified in Vaelsys VaelsysV4 4.1.0. This vulnerability affects unknown code of the file /grid/vgrid_server.php of the component User Creation Handler. Executing a manipulation can lead to improper authorization. The attack may be performed from remote. The exploit has been made available to the public and could be used for attacks. The real existence of this vulnerability is

Sources

  • CVE.orgVulnerability recordCVE-2025-8261

    Official CVE identifier

    cve.org
  • EUVDVulnerability recordEUVD-2025-22856

    A weakness has been identified in Vaelsys VaelsysV4 4.1.0. This vulnerability affects unknown code of the file /grid/vgrid_server.php of the component User Creation Handler. Executing a manipulation can lead to improper authorization. The attack may be performed from remote. The

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Apr 15, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.